... convenient to recharge and use3, With battery box: alternatively uses 3 x AA grade battery for backup4, Frame: Poly aluminium(black, ... 000 continuous hours of usage8, Charger: High quality certificated charger for any country, with certificate SAA, CE, UL, PSE... ... market, club, bar and so on. Advertise and promote for you.*for notice in school, companies, classroom, metrostation, resident place ...